"extolled" means to praise some thing highly.
Answer:
480 million years ago
The Appalachians first formed roughly 480 million years ago during the Ordovician Period, and once reached elevations similar to those of the Alps and the Rocky Mountains before they were eroded.
Explanation:
so b is your answer
Reliable
<span>Reliable data and studies are those which consistently give the same results despite variance in time, location or setting. An example of reliability is when an individual gives the same answer to a question in the day time as well as nighttime.
Reliability and replicability are crucial requirements for research studies to be valid and credible. </span>
Answer:
Consumers and producers in a free market economy are "free" to produce and consume what ever they want, and demand for products dictates production--whereas in a command economy, producers are told how much to produce by the government.
Explanation:
In a free market economy is where the individuals who are the producers, make their own decisions on what products to produce and sell.In this type of market, the government does not intervene. The advantage of this system is that producers have full control to produce products of their choice and they are more multivated to work and produce goods to earn money.This also boosts the economy growth by allowing the total control to the producers who produce goods according to the demand of the market.
Because Egypt gets little rainfall, Egyptians relied on the Nile River for water. They used its water for fishing, farming, cooking, and cleaning. The Nile River flows north from the heart of Africa to the Mediterranean Sea, about 4,000 miles. Two rivers meet to form the Nile. They are the Blue Nile in eastern Africa and the White Nile in central Africa.
